var temp, temp2, cookieArray, cookieArray2, cookieCount;
function initiate(){
        cookieCount=0;
        if(document.cookie){
                cookieArray=document.cookie.split(";");
                cookieArray2=new Array();
                for(i=0;i<cookieArray.length;i++){
                        cookieArray2[cookieArray[i].split("=")[0].replace(/ /g,"")]=cookieArray[i].split("=")[1].replace(/ /g,"");
                }
        }

        cookieArray=(document.cookie.indexOf("state=")>=0)?cookieArray2["state"].split(","):new Array();
        temp=document.getElementById("containerul");       
        for(var o=0;o<temp.getElementsByTagName("li").length;o++){
                if(temp.getElementsByTagName("li")[o].getElementsByTagName("ul").length>0){
                        temp2 = document.createElement("span");
                        temp2.className = "symbols";
                        temp2.style.backgroundImage	= (cookieArray.length>0)?((cookieArray[cookieCount]=="true")?"url(/minus.png)":"url(/plus.png)"):"url(/plus.png)";
                        temp2.onclick=function(){
                                showhide(this.parentNode);
                                writeCookie();
                        }
                        temp.getElementsByTagName("li")[o].insertBefore(temp2,temp.getElementsByTagName("li")[o].firstChild)
                        temp.getElementsByTagName("li")[o].getElementsByTagName("ul")[0].style.display = "none";
                        if(cookieArray[cookieCount]=="true"){
                                showhide(temp.getElementsByTagName("li")[o]);
                        }
                        cookieCount++;
                }
                else{
                        temp2 = document.createElement("span");
                        temp2.className = "symbols";
                        temp2.style.backgroundImage = "url(/page.png)";
                        temp.getElementsByTagName("li")[o].insertBefore(temp2,temp.getElementsByTagName("li")[o].firstChild);
                }
        }
}

function showhide(el){
        el.getElementsByTagName("ul")[0].style.display=(el.getElementsByTagName("ul")[0].style.display=="block")?"none":"block";
        el.getElementsByTagName("span")[0].style.backgroundImage=(el.getElementsByTagName("ul")[0].style.display=="block")?"url(/minus.png)":"url(/plus.png)";
}

function writeCookie(){
        cookieArray=new Array()
        for(var q=0;q<temp.getElementsByTagName("li").length;q++){
                if(temp.getElementsByTagName("li")[q].childNodes.length>0){
                        if(temp.getElementsByTagName("li")[q].childNodes[0].nodeName=="SPAN" && temp.getElementsByTagName("li")[q].getElementsByTagName("ul").length>0){
                                cookieArray[cookieArray.length]=(temp.getElementsByTagName("li")[q].getElementsByTagName("ul")[0].style.display=="block");
                        }
                }
        }
        document.cookie="state="+cookieArray.join(",")+";expires="+new Date(new Date().getTime() + 365*24*60*60*1000).toGMTString();
}
